PHO

Question 1

Digital Imaging

Answer 1

gride of pixels

series of 1’s and 0’s

Question 2

data measurement

Answer 2

byte 
KB 
MG 
GB 
TB 
PB 
EB

Question 3

how much is a byte worth?

Answer 3

8 bits

Question 4

how much is a Kilobyte worth?

Answer 4

1024 bits

Question 5

how much is a Megabyte worth?

Answer 5

1024 kilobytes

Question 6

how much is a Gigabyte worth

Answer 6

1024 megabytes

Question 7

how much is a terabyte worth?

Answer 7

1024 Gigabyte

Question 8

how much is a petabyte worth?

Answer 8

1024 terabytes

Question 9

how much is an exabyte worth?

Answer 9

1024 petabytes

Question 10

file resolution

Answer 10

measured in pixels

Question 11

Image resolution

Answer 11

measured in PPI and changes with size of photo

Question 12

Absolute pixel size

Answer 12

ppi x L/W = PIXEL SIZE

Question 13

Resolution

Answer 13

number of pixels in a linear

Question 14

File Formats

Answer 14

PSD = Photoshop Format 
TIFF = Tagged Image File Format 
JEPG = Joint photographic experts group

Question 15

PSD

Answer 15

• default file format
• support most photoshop features with PSB
• only opened with Adobe software apps
• no compression
• raster-based

Question 16

PSB

Answer 16

-used for large doc over 2 GB

Question 17

JPEG compression

Answer 17

• lets you determine how much compression you want
• photo degrades with each save
• can be mildly compressed or substantially compressed

Question 18

Tiff

Answer 18

• used to exchange files between apps
• lossless
• since the TIFF retains all of the rich pixel information without compression, the file sizes are very large.

Question 19

Who developed Photoshop?

Answer 19

Thomas & John Knoll in late 1980’s

Question 20

Grid of pixels

Answer 20

Digital Image

Question 21

“Color Spaces” or “Color Modes

Answer 21

CMYK
RGB
Grayscale

Question 22

Primary colors of light

Answer 22

RGB

for projected images

Question 23

Printing Colors

Answer 23

CMYK

Question 24

RGB

Answer 24

additive color

= whtie

Question 25

CMYK

Answer 25

subtractive color | = each pixel can be 1 of 16 million different colors

Question 26

How many gradations of grey pixels

Answer 26

256 | 0 (black) - 255 (white)

Question 27

What are file size factors?

Answer 27

``` Output/ Physical size (w&h) Resolution Abouslte Pixel size Color Mode Layers Channels Alpha Channels ```

Question 28

Storage Options

Answer 28

``` Cloud Storage Flash Memory Internal Hard Drive External Hard Drive CD/DVD ```